Top-Rated Extensions

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Spamness Requires Restart

Visual representation of how spam-like messages are.

Rated 3 out of 5 stars (18)
682 users

Personasizer

Personasizer allows you to expose more of your persona's header image. Useful for personas that have text or an important part of their content cut off by the browser's navigation elements.

Rated 3 out of 5 stars (6)
44 users

Evernote Tab Requires Restart

Add a button and a menu to open Evernote in tab.

Rated 3 out of 5 stars (7)
3,895 users

Google+ Tab Requires Restart

Google+ Tab for Thunderbird

Rated 3 out of 5 stars (9)
2,477 users

TB Change From and Fcc on Compose Extension Requires Restart

You can now temporarily change the from and fcc on...

Rated 3 out of 5 stars (12)
27 users

OpenSearch Requires Restart

OpenSearch is a Mozilla Messaging addon that will allow you to search the web from within Thunderbird.

Rated 3 out of 5 stars (8)
1,521 users

xSearchbarT2 Requires Restart

Somewhere between Thunderbird 1.5 and Thunderbird 2 the message search bar disappeared. This extension restores the search bar. Thunderbird 2 and newer only.

Rated 3 out of 5 stars (8)
561 users

confirm-mail Requires Restart

メール送信前に宛先メールアドレスと添付ファイル名を確認することができるアドオンです。

Rated 3 out of 5 stars (5)
2,959 users

Track your shipment Requires Restart

Link to tracking sites. (mainly Japanese companies)

Rated 3 out of 5 stars (5)
1,909 users

Fix Tb Titlebar Extension Requires Restart

You can now modify the Titlebar of TB's main...

Rated 3 out of 5 stars (5)
30 users

Insert Link from Local File Requires Restart

Inserts links from local files via drag and drop on the composition window.

Rated 3 out of 5 stars (3)
455 users

fairBlock

Un bloqueur de publicité équitable. Préservez le web gratuit en choisissant sur quels sites vous bloquez la publicité.

Rated 3 out of 5 stars (3)
215 users

Simple Week View Requires Restart

A simple week view for Lightning, as in the print layout.

Rated 3 out of 5 stars (3)
629 users

Email signature for Thunderbird - WiseStamp Requires Restart

Switch Thunderbird email signatures. Supports Gmail, Yahoo, AOL & Outlook webmails. Youtube, Facebook, Twitter icons & more

Rated 3 out of 5 stars (3)
4,473 users

RSS Dashboard Requires Restart

This addons gives you a dashboard-style view of your RSS feeds, like iGoogle or Netvibes (widget view). This is an experiment, so it is still very rough. Right now, consider this as a proof-of-concept rather than a real addon.

Rated 4 out of 5 stars (2)
184 users

PasteIP Requires Restart

Easy pasting of your IP address or User-Agent in a textbox. Comes in handy when posting on forums, etc.

Rated 4 out of 5 stars (2)
63 users

Signal Spam Requires Restart

Cette extension va ajouter dans Mozilla Thunderbird une fonction de signalement qui vous permettra de transmettre d’un seul clic les messages que vous considérez comme spam à Signal Spam, le réseau de confiance pour agir contre le spam.

Rated 3 out of 5 stars (23)
10,138 users

AboutConfig Requires Restart

about:config for...

Rated 3 out of 5 stars (13)
935 users

Message Notes Requires Restart

Add Notes to messages. Notes are stored in a plaintext file, typically in your profile. The plaintext notes file can be stored elsewhere to enable sharing of notes across a...

Rated 3 out of 5 stars (10)
63 users

Mark GMail Read

Automatically marks all messages in the [Gmail] folder and all subfolders as read.

Rated 3 out of 5 stars (5)
282 users